DATEV accounts mapping, cashbook and VAT annual return there until the plus version of the program, you should consider this to the tax office for any data exchange with the accountant, or transfer. The possibility of several workstations (computers) to work, or several companies to manage, there are only from the Pro version. These limitations should be borne in mind in their purchasing decision. The sole proprietor requires a maximum of the plus variant normally.
The handling of the program itself is relatively simple; relative means that for first-time users a certain training because the circumference is necessary. Tax knowledge makes the job easier, but is not mandatory. Certain basic skills in accounting, but I would have recommended.
My well-known tax consultant I've also put in the 2015er version of the program and she found it easy to use and well structured. But even I myself get along well with the program. Compared to the 2014 version has not changed by the operator and it is not something new training necessary. In my estimation accountant is a fully satisfactory and efficient standard program for the bookkeeping clearly there are better and more comprehensive solutions, this cost is often followed by more ...
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Who as a simple freelancer or quite small trader (even small businesses to 19 I UStG particular) is on the way with a few clients and not too many bookings per year, such a large program need not incidentally, as sufficient, for example, already: Lexware Büroeasy (the Start small variation ranges, for example for single-entry bookkeeping and you; with the standard variant, also has double-entry bookkeeping and cash book).
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The installation of the program on my Windows 8.1 system was running without problems, as registration and the first update. In this work Notebook with Intel Core i3 processor and 4GB of RAM, the program runs smoothly, even when multiple windows are open.